Internal-combustion engine.



I L. .W.' SHERIDAN.

INTERNAL COMBUSTION ENGINE.

APPLICATION FILED NOV. 7. 1.912.

Patented May 25, 1915.

I INVEA/TOR Mm WITNESSES LOYAL W. SHERIDAN, OF MEDIAPOLIS, IOWA.

Specification of Letters Patent.

rnrnnnan-corrnusrron ENGINE.

. Patented May 25, 1915.

Application filed November 7, 1912. Serial No. 730,015.

To all whom it may concern;

Be it known that I. 'LOYAL W. SHERIDAN, a citizen of the United States, residing at Mediapolis, in the county of Des Moines and State-of Iowa, have invented new and useful Improvements in Internal-Combustion =Engines, of whichthe following is a to revolublevalve means specification.

My present invention relates to internal combustion engines, and more particularly for controlling the intake and exhaust ports of the Cylinder or cylinders thereof, driven from a common shaft by mechanism operable at a positive velocity ratio from the engine drive shaft.

f Theprincipal object of my invention is to simplify the valve mechanism and provide of springs, a provided by means for the opening and closing of the intake and exhaust ports by positive mechanism',

, valves movable with a shaft common to all.

Other objects of my invention will appear in the following detailed description,

taken 111 cennection with the accompanying drawing, forming a part of-this specification, and in which drawing:

. Figure 1 is an end elevation of an engine embodying. my invention, apart being broken away to disclose details. Fig; 2 is a view similar to Fig. 1 viewing-the engine from the other end thereof. Fig. 3 is a sectional view on theline 3-3 of Fig. 1.

In the drawing where similar characters refer to similarparts, l designates engine cylinders, of the type having the usual trunk pistons indicated at 5, connecting rods indicated at 6, and operatively connected with .a crank shaft 7.

The explosion space 8 is provided, in, part, by two oppositely disposed wall portions,

preferably having parallel outer plane faces,

. intake and exhaust and when a plurality portions 9 are preferably in parallelism.

- The wall portions 9 of each cylinder have ports 10 and 11 for the cylinder 4, these ports opening one at the exterior face of each of said wall portions. in facial contact with the saidz'outer. faces of parallel to the axis of drive of cylinders are provided, all the exterior faces of these wall.

each wall. portion having an intake'port, is a revoluble disk valve 12, and similarlyeach wall portion having an, exhaust port revoluble disk valve 13. All of the disk valves are mounted on a common shaft 1d received by suitable bearings 15, this shaft being disposed with its axis substantially shaft 7 from which it is driven at a positive velocityTa tio,

as by sprockets 16 and 17, and chain-18,

the former sprocket being rigid with shaft 14, and the latter rigid with shaft 7;

3 The valves 12 and 13 are provided with suitable casings 19 211K120, respectively, so

that fluid may be conveyed to or from"con'-- tact with said valves at-the faces thereof I opposite from that in contact with the outer-{- faces of Wall portions 9.

When a multiple cylinder l engine is-"7 equipped with valve means constructed according to my invention, ducts 21 may lead; from casings 19 to a manifold 22, and from the casings 20, ducts 23 to a manifold 24:;

Referring now more particularly to Fig. 1 of the drawing, itis to be noted that valve 13 has a transverse way 25 disposed with reference to the axis of rotation of said ing a-phase of movement of the valve, and provides for. exhaust of the waste roducts of combustion into casing 20. In t is view the piston 5, is shown as having completed its exhaust stroke and is ready to move for intake of fuel.

lVith particular reference to Fig. 2 drawing, the engine piston is disclosed as being in the same position as described in connection with Fig. 1., audit is to be noted that valve 12 has a transverse way 26 disposed, with reference to the axis of rotation thereof, so as to open to port 10 during a phase of movement'of valve 12, so that a Way is provided for intake of fuelfrom" casing 19. y y

The disk valves 12 and 13 may be secured to shaft 11 in any suitable manner, permanently or adjustably, and'the casings 19 and 20 may bebuilt up in any suitable manner, consistent with. their function as conduits or ways for conducting fluid. Furthermore,

the valves 12 and 13 may have a plurality of ways disposed equi-distant from the axis of rotation so. long as the velocity ratio of shafts 7 and 14 is such as to open the intake and exhaust ports synchronously with the intake and exhaust strokes, respectively, of

of the.

, valve, so that said any opens to port 11 durthe 'enginepistons, and close such-ports during the compression and power strokes thereof From the foregoing it is mademanifest that .I provide port controlled mechanism for internal combustion engines, which is simple in construction, Well adapted for successful operation withefiicient in action, and

out the use of springs or dependent upon cylinders.

Changes in details may be made Without departing from the spirit or scope of my in vention; but, a

I claim;

1. In an-internal combustion engine, the

suction or compression in the cylinder or combination with the drive shaft thereof, of .a second shaft connecting said intake casings.

2. In an internal combustion engine, the

combination with the drive shaft thereof, of

a second shaft parallel thereto and abutting the combustion chambers of the cylinders of i.

spaced therefrom to of a fluid thereabout, and manifold ducts said. engine, exhaust disk valves for each cylinder provided with exhaust ports, a portion of each of said'valves abutting its respective combustion chamber, the latter being provided with exhaust ports for inter inittent registration With first said ports, a, casing surrounding each of said valves and permit of the passage similarly connecting said exhaust casings.

v'. In an internal combustion-engine, the combination with the drive shaft thereof, of a plurality of cylinders, each'having two plane faces in parallelism to which the intake and exhaust ports open, the saidfaces of all of said cylinders being in parallelism;

a second shaft having its axis parallel to the axis of said" drive shaft; a plurality of valves, rotatable with said second shaft, one for each port of said cylinders, and each having a transverse Way to open to its respective port during a predetermined period of rotation of said shaft; a Way about the face of each valve opposite to its contact with the said faces of its respective cylinder, for conducting fluid and, means for driving said second shaft from said drive shaft at a.

less velocity, substantially as and for the purpose set forth.

- LOYAL W. SHERIDAN. Witnesses:

Gnoncn R. T. Srmnrom. 

